Possible Clues:

• Criticize to death
• Add insult to injury
• Exaggerate silly point about garland
• Criticize again and again
• Add even more criticism
• Assign two projects, a long reading and several writing assignments, say
• Overdo the criticism, say
• Exaggerate, making point and lie naughtily
• Give lots of work ... or criticism
• Go overboard